Push button



FIG. 1 is a front perspective view of a push button showing my new design.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a right side elevation view thereof, the opposite side view being identical thereto.

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken-line disclosure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a push button, as shown and described. 